Alert archive / New Jersey / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 63, NWS Philadelphia/Mount Holly

June 22, 1996Warren County, New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 1996, 4:24 PM EDT for Warren County, New Jersey; Northampton County, Pennsylvania. It was in force for 51 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 22, 1996, 4:24 PM EDT (20:24 UTC)
Expired: Jun 22, 1996, 5:15 PM EDT
In force: 51 min
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

Counties Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 114 km from the middle of the area, began a volume at 20:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 22, 4:45 PM EDT	Thunderstorm Wind	Easton, PA
Jun 22, 5:00 PM EDT	Thunderstorm Wind	Southwest, NJ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.4 hours before the alert went out and 193 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1042 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 70 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPHL 222025
SVRPHL
NJC041-PAC095-222115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
424 PM EDT SAT JUN 22 1996
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  NEW JERSEY
 
   ...WARREN COUNTY
 
IN  PENNSYLVANIA
 
   ...NORTHAMPTON COUNTY
 
AT 420 PM RADAR INDICATED A SEVERE THUNDERSTORM APPROACHING NORTHAMPTON
COUNTY PA AND WARREN COUNTY NJ. THE STORM WAS MOVING TOWARD THE
SOUTHEAST AT 40 MILES AN HOUR. LARGE HAIL AND WINDS OVER 60 MILES AN
HOUR HAVE BEEN REPORTED WITH THIS STORM.
 
 
THIS IS A DANGEROUS STORM.  PREPARE FOR STRONG DAMAGING WINDS...
LARGE HAIL...HEAVY RAINS AND DEADLY LIGHTNING.  SHOULD THE STORM
APPROACH MOVE INSIDE QUICKLY. DO NOT STAND NEAR WINDOWS.  MOBILE
HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED.
 (
DI/JRP
&

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 4:48 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset	57 min
Jun 22, 5:12 PM EDT	Tornado Warning	PHI	Hunterdon	33 min
Jun 22, 5:26 PM EDT	Severe Thunderstorm Warning	PHI	Warren	34 min
Jun 22, 5:37 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer	68 min
Jun 22, 6:05 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	55 min
Jun 22, 6:51 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	69 min
Jun 22, 7:20 PM EDT	Flash Flood Warning	PHI	Mercer	7 hr
Jun 22, 7:20 PM EDT	Tornado Warning	PHI	Burlington, Ocean	40 min
Jun 22, 3:35 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	45 min
Jun 22, 4:25 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	50 min
Jun 22, 6:15 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	30 min
Jun 22, 7:44 PM EDT	Flash Flood Warning	PHI	Monroe	2 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 1996 Severe Thunderstorm Warnings in Pennsylvania, 1996 Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.